City vs city
Arlington vs Mount Vernon, VA
Arlington and Mount Vernon are tied on overall score, with the biggest factor difference in hail.
Use this comparison for relocation decisions, insurance shopping, and hazard-prioritized mitigation planning.
Hazard breakdown
Scores describe each city’s reference grid tile, not every property. A missing model is unavailable, not zero risk. Air quality uses an ingested EPA AirNow snapshot and may not reflect current conditions; other factors describe baseline exposure. The overall score blends different hazards and is not a probability of damage. Read the scoring methodology and sources.
Overall
Arlington: 43/100 · Mount Vernon: 43/100
No gap.
Flood
Arlington: 25/100 · Mount Vernon: 16/100
Arlington is 9 points higher.
Arlington: FEMA NFHL flood zones: 8 features intersect this tile.
Mount Vernon: FEMA NFHL flood zones: 5 features intersect this tile.
Wind
Arlington: 21/100 · Mount Vernon: 21/100
No gap.
Arlington: Wind exposure derived from ingested design wind / climatology tiles.
Mount Vernon: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Arlington: 39/100 · Mount Vernon: 40/100
Mount Vernon is 1 points higher.
Arlington: Lightning exposure derived from ingested climatology tiles.
Mount Vernon: Lightning exposure derived from ingested climatology tiles.
Tornado
Arlington: 27/100 · Mount Vernon: 31/100
Mount Vernon is 4 points higher.
Arlington: Tornado risk derived from NOAA SPC historical reports.
Mount Vernon: Tornado risk derived from NOAA SPC historical reports.
Hail
Arlington: 100/100 · Mount Vernon: 55/100
Arlington is 45 points higher.
Arlington: Hail risk derived from NOAA SPC historical reports.
Mount Vernon: Hail risk derived from NOAA SPC historical reports.
Storm surge
Arlington: Unavailable · Mount Vernon: 87/100
A score difference cannot be calculated without both sources.
Arlington: Storm surge model is not available for this location yet.
Mount Vernon: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
Wildfire
Arlington: 45/100 · Mount Vernon: 49/100
Mount Vernon is 4 points higher.
Arlington: Wildfire exposure derived from ingested fire potential tiles.
Mount Vernon: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Arlington: 41/100 · Mount Vernon: 42/100
Mount Vernon is 1 points higher.
Arlington: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Mount Vernon: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.